Battery pack



FIG. 1 is a perspective view of a battery pack showing our new design;

FIG. 2 is a top plan view of the battery pack;

FIG. 3 is a rear elevational view of the battery pack;

FIG. 4 is a front elevational view of the battery pack;

FIG. 5 is a bottom plan view of the battery pack;

FIG. 6 is a left side elevational view of the battery pack; and,

FIG. 7 is a right side elevational view of the battery pack.

The broken lines shown in the drawings are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

The ornamental design for a battery pack, as shown and described. 